Compare R, RC and UJT Triggering

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written 4.9 years ago by

Sr .No.	Parameter	R Triggering	RC Triggering	UJT Triggering
1	Firing angle	Can vary From 0 to $90^0$	Can vary From 0 to $180^0$	Can vary From 0 to $180^0$
2	Cost	Less	More	Costlier than RC Circuit
3	Type of triggering	AC gate triggering	AC gate triggering	Pulse triggering
4	Synchronization with AC mains	Yes	Yes	NO
5	Isolation between control and power circuit	Not provided	Not provided	Provided, because of use of pulse transformer
6	Firing of multiple SCRs	Not possible	Not possible	Possible,because of use of pulse transformer

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